| Marienberg to Oestrich-Winkel | 231.34 mi (372.30 km) |
| Marienberg to Offenburg | 277.56 mi (446.69 km) |
| Marienberg to Oftersheim | 220.67 mi (355.14 km) |
| Marienberg to Ohrdruf | 106.56 mi (171.49 km) |
| Marienberg to Ohringen | 190.17 mi (306.05 km) |
| Marienberg to Olbernhau | 8.36 mi (13.45 km) |
| Marienberg to Olching | 187.22 mi (301.30 km) |
| Marienberg to Oldenburg | 272.65 mi (438.79 km) |
| Marienberg to Oldenburg in Holstein | 270.68 mi (435.62 km) |
| Marienberg to Olfen | 260.69 mi (419.54 km) |
| Marienberg to Olpe | 233.51 mi (375.79 km) |
| Marienberg to Olsberg | 208.87 mi (336.14 km) |
| Marienberg to Oranienburg | 146.60 mi (235.93 km) |
| Marienberg to Ortenberg | 180.97 mi (291.25 km) |
| Marienberg to Oschatz | 46.12 mi (74.23 km) |
